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Finding the Fourth Proportional to 358,088.05, 537,018.15 and 118,157.23

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Solution

The fourth proportional to 358,088.05, 537,018.15 and 118,157.23 is: 177,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,088.05 : 537,018.15 = 118,157.23 : x
  2. Step 2: Convert to fraction form
    358,088.05/537,018.15 = 118,157.23/x
  3. Step 3: Cross multiply
    358,088.05x = 537,018.15 × 118,157.23
  4. Step 4: Simplify right side
    358,088.05x = 63,452,578,138.17
  5. Step 5: Solve for x
    x = 63,452,578,138.17/358,088.05
  6. Step 6: Final answer
    x = 177,198.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.